ObserverPattern/ObserverPattern.cpp · Micooz/DesignPattern

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DesignPattern

ObserverPattern

ObserverPattern.cpp

ObserverPattern.cpp 346 Bytes

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Micooz authored 2014年10月05日 12:29 +08:00 . 加入观察者模式

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

#include "Subject.h"
#include "Observer.h"

int main() {
 Subject *sub = new ConcreteSubject();
 Observer *o1 = new ConcreteObserver(sub);
 Observer *o2 = new ConcreteObserver(sub);

 sub->SetState("old");
 sub->Notify();
 sub->SetState("new");
 sub->Notify();

 delete o1;
 delete o2;
 delete sub;

 return 0;
}

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The Open Source Evaluation Index is derived from the OSS Compass evaluation system, which evaluates projects around the following three dimensions

1. Open source ecosystem

Productivity: To evaluate the ability of open-source projects to output software artifacts and open-source value.
Innovation: Used to evaluate the degree of diversity of open source software and its ecosystem.
Robustness: Used to evaluate the ability of open-source projects to resist internal and external interference and self recover in the face of changing development environments.

2. Collaboration, People, Software

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Observe the influence of core personnel in open source projects, and examine the evaluations of users and developers on open source projects from a third-party perspective.
Software: Evaluate the value of products exported from open-source projects and their ultimate destination. It is also a concrete manifestation of "open source software", one of the oldest mainstream directions in open source evaluation.

3. Evaluation model

Based on the dimensions of "open source ecosystem" and "collaboration, people, and software", identify quantifiable indicators directly or indirectly related to this goal, quantitatively evaluate the health and ecology of open source projects, and ultimately form an open source evaluation index.